/* 重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #6a11cb;
    --secondary: #2575fc;
    --accent: #ff8a00;
    --accent2: #00c9ff;
    --light: #f8f9fa;
    --dark: #1a1a2e;
    --success: #1abc9c;
    --warning: #f39c12;
    --danger: #e74c3c;
    --text: #333333;
    --text-light: #666666;
    --shadow: rgba(0, 0, 0, 0.1);
    --card-bg: #ffffff;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4efe9 100%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部栏和导航 */
.top-bar {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--accent);
}

.date-display {
    font-size: 0.9rem;
}

.main-nav {
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s, background-color 0.3s;
    padding: 8px 12px;
    border-radius: 6px;
    position: relative;
    display: flex;
    align-items: center;
}

.nav-links a:hover {
    color: var(--accent);
    background-color: rgba(255, 255, 255, 0.15);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 12px;
    width: calc(100% - 24px);
    height: 2px;
    background: transparent;
    transition: background 0.3s;
}

.nav-links a:hover::after {
    background: var(--accent);
}

.active a {
    color: var(--accent);
    background-color: rgba(255, 255, 255, 0.2);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: white;
    padding: 5px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.hamburger:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.close-icon {
    display: none;
}

/* 页脚 */
footer {
    background: linear-gradient(to right, var(--dark), #16213e);
    color: white;
    padding: 10px;
}
footer a{
    color: #fff;
    text-decoration: none;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent2);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;

    font-size: 0.9rem;
    color: #aaa;
}

/* 首页样式 */
.hero {
    background: linear-gradient(rgba(106, 17, 203, 0.8), rgba(37, 117, 252, 0.8)), url('https://images.unsplash.com/photo-1588681664899-f142ff2dc9b1?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 80px 0;
    text-align: center;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 15px 20px;
    border-radius: 50px;
    border: none;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.search-box button {
    position: absolute;
    right: 5px;
    top: 5px;
    background: linear-gradient(to right, var(--accent), #ff5252);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s;
}

.search-box button:hover {
    transform: scale(1.05);
}

/* 文章网格 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.article-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.category-tag {
    display: inline-block;
    background: linear-gradient(to right, var(--accent), var(--warning));
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    align-self: flex-start;
}

.article-content h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--dark);
}
.featured-content a{
color: #000;
}
.article-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 10px;
}

.featured-section {
    margin-bottom: 5px;
}
    
.latest-news {
    margin-bottom: 5px;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--primary);
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 70px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 2px;
}

.featured-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 16px var(--shadow);
    transition: transform 0.3s;
}

.featured-article:hover {
    transform: translateY(-5px);
}

.featured-image {
    height: 100%;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 分类页面 */
.category-header {
    background: linear-gradient(to right, var(--success), var(--accent2));
    color: white;
    padding: 5px 0;
    text-align: center;
    margin-bottom: 5px;
}

.category-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.category-header a{
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
}
.breadcrumb {
    margin-top: 20px;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.breadcrumb span {
    margin: 0 10px;
}

.category-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background-color: white;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary);
    color: white;
}

.sort-select {
    padding: 8px 20px;
    border-radius: 25px;
    border: 2px solid var(--primary);
    background-color: white;
    color: var(--text);
    font-weight: 600;
}

/* 详情页面 */
.article-detail {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 40px;
}

.detail-header {
    padding: 40px;
    background: linear-gradient(to right, rgba(106, 17, 203, 0.1), rgba(37, 117, 252, 0.1));
}

.detail-header h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.detail-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-image {
    height: 400px;
    overflow: hidden;
}

.detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    padding: 40px;
}

.article-body p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-body h2 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    color: var(--primary);
}

.article-body blockquote {
    border-left: 5px solid var(--accent);
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--text-light);
}

.related-articles {
    margin-top: 50px;
}

/* 隐私政策和服务条款页面 */
.legal-page {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 20px var(--shadow);
    margin: 40px 0;
}

.legal-page h1 {
    color: var(--primary);
    margin-bottom: 30px;
    font-size: 2.2rem;
}

.legal-page h2 {
    color: var(--secondary);
    margin: 25px 0 15px;
    font-size: 1.6rem;
}

.legal-page h3 {
    color: var(--primary);
    margin: 25px 0 15px;
    font-size: 1.4rem;
    border-left: 4px solid var(--accent);
    padding-left: 15px;
}

.legal-page p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.legal-page ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.legal-page li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.legal-intro {
    background: linear-gradient(to right, rgba(106, 17, 203, 0.05), rgba(37, 117, 252, 0.05));
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary);
}

.legal-section {
    margin: 30px 0;
    padding: 25px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.legal-section:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.section-content {
    margin-top: 15px;
}

.table-of-contents {
    background-color: rgba(106, 17, 203, 0.05);
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.table-of-contents h3 {
    color: var(--primary);
    margin-top: 0;
    border: none;
}

.table-of-contents ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 10px;
    margin: 0;
}

.table-of-contents li {
    margin: 5px 0;
    list-style-type: disc;
    margin-left: 20px;
}

.table-of-contents a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.table-of-contents a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.last-updated {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
    display: block;
}

/* 新闻列表样式 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 5px;
}
    
.news-item {
    display: flex;
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}
    
.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
    
.news-thumb {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
}
    
.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
    
.news-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
    
.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.4;
}
    
.news-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.5;
}
    
.news-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: 0.85rem;
}
    
/* 紧凑型文章列表 */
.featured-content{
    padding: 10px;
}
.compact-news-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}
    
.compact-news-item {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 3px 10px var(--shadow);
    transition: transform 0.2s;
}
    
.compact-news-item:hover {
    transform: translateX(5px);
}
    
.compact-news-thumb {
    width: 100px;
    height: 75px;
    border-radius: 6px;
    overflow: hidden;
    margin-right: 15px;
}
    
.compact-news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
    
.compact-news-content {
    flex-grow: 1;
}
    
.compact-news-content h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark);
}
    
.compact-news-content .category-tag {
    margin-bottom: 5px;
    margin-right: 8px;
}
    
/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .featured-article {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        height: 250px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hamburger {
        display: block;
         z-index: 99999;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(to bottom, var(--primary), var(--secondary));
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 30px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s;
        z-index: 999;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 0 0 10px 0;
        width: 100%;
    }
    
    .nav-links a {
        font-size: 1.2rem;
        padding: 12px 15px;
        display: block;
        width: 100%;
        color: white;
        border-radius: 6px;
    }
    
    .nav-links a:hover {
        background-color: rgba(255, 255, 255, 0.2);
        color: var(--accent);
    }
    
    .nav-links .active a {
        background-color: rgba(255, 255, 255, 0.2);
        color: var(--accent);
    }
    
    .close-menu {
        position: absolute;
        top: 20px;
        right: 20px;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: white;
        cursor: pointer;
    }
    
    .hamburger .fa-times {
        display: none;
    }
    
    .hamburger.active .fa-times {
        display: inline;
    }
    
    .hamburger.active .fa-bars {
        display: none;
    }
    
    .hero {
        padding: 50px 0;
        margin-bottom: 30px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 5px;
    }
    
    .article-card, .featured-article, .legal-page {
        border-radius: 10px;
    }
    
    .detail-header, .article-body, .legal-page {
        padding: 25px;
    }
    
    .detail-header h1 {
        font-size: 1.8rem;
    }
    
    .detail-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .category-filter {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* 移动端边距最大5px */
    .container {
        padding: 0 5px;
    }
    
    .hero, .category-header {
        margin-left: -5px;
        margin-right: -5px;
        border-radius: 0;
    }
    
    .main-nav {
        padding-left: 5px;
        padding-right: 5px;
    }
    
    /* 移动端文章内外间距不超过5px */
    .article-card {
        margin: 0;
        padding: 0;
    }
    
    .article-content {
        padding: 5px;
    }
    
    .article-card img {
        margin: 0;
        padding: 0;
    }
    
    .featured-article {
        margin: 0;
        padding: 0;
    }
    
    .featured-content {
        padding: 5px;
    }
    
    /* 移动端适配新的文章样式 */
    .news-item {
        flex-direction: column;
        margin: 0;
        padding: 0;
    }
    
    .news-thumb {
        width: 100%;
        height: 200px;
        margin: 0;
        padding: 0;
    }
    
    .news-content {
        padding: 5px;
        margin: 0;
    }
    
    .compact-news-item {
        flex-direction: column;
        align-items: flex-start;
        margin: 0;
        padding: 0;
    }
    
    .compact-news-thumb {
        width: 100%;
        height: 150px;
        margin: 0;
        padding: 0;
    }
    
    .compact-news-content {
        padding: 5px;
    }
    
    /* 详情页文章内容间距 */
    .article-detail {
        margin: 0;
        padding: 0;
    }
    
    .detail-header {
        padding: 5px;
    }
    
    .article-body {
        padding: 5px;
    }
    
    .article-body p {
        margin: 2.5px 0;
        padding: 0;
    }
    
    .article-body h2 {
        margin: 2.5px 0;
        padding: 0;
    }
    
    /* 其他文章部分间距 */
    .more-articles {
        margin-top: 5px;
    }
    
    .news-list {
        margin-bottom: 5px;
        gap: 5px;
    }
    
    .news-item {
        gap: 5px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 30px 0;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .detail-header h1 {
        font-size: 1.5rem;
    }
    
    .article-body h2 {
        font-size: 1.4rem;
    }
    
    .legal-page h1 {
        font-size: 1.8rem;
    }
    
    .legal-page h2 {
        font-size: 1.4rem;
    }
}